package fuckTest;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2017/7/24.
 */
public class Demo2 {

    public static void main(String[] args) throws InterruptedException {
//        Object obj = new Object();
//        Integer num = new Integer(6);
//        num.wait(1000);
//        num = 2;
//        System.out.println(num);
//
//        float [][] num1 = new float[6][];
//        float [][] num2 = new float[][6];
//        float  num3[][] = new float[][6];
//        float  num4[][] = new float[6][];
//        float []num5[] = new float[6][];

        int intnum1 = 130;
        byte nj = (byte) intnum1;

        short a = 128; byte b = (byte) a;

        System.out.println(a+".."+b+"..."+nj);
//
//        System.out.println(intnum1 instanceof Integer);

        List Listlist1 = new ArrayList();
        Listlist1.add(0);
        List Listlist2 = Listlist1;
        System.out.println(Listlist1.get(0) instanceof Integer);

    }

}
